In the lengthiest statement to a military tribunal Manning has provided since his nearly three-year long ordeal began, Manning, 25, said WikiLeaks did not encourage him to provide the organization with any information. But he also sketched out his emotionally fraught online interactions with his WikiLeaks handler, a man he knew as “Ox” or “Nathaniel” over Internet Relay Chat and Jabber, and whom the government maintains was Julian Assange.